package sohu.com;
public class Triangle{
   double sideA,sideB,sideC;
   public double getArea(){
     double p  = (sideA+sideB+sideC)/2.0;
     double area  = Math.sqrt(p*(p-sideA)*(p-sideB)*(p-sideC));
     return area ;
   }
   public void setSides(double a,  double b,double c){
      sideA = a;
      sideB = b;
      sideC = c;
   }
}
